% Expired Patents = 12.5

EPO Patents = 2

Trademarks = 1

Forward Citations = 2

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25 inventors (with patents filed for the assignee):

Xingsheng Liu (6 out of 10 patents)

Lei Cai (4 out of 4 patents)

Kai Yang (2 out of 3 patents)

4. Xuejie Liang (2 out of 2 patents)

5. Ye Dai (2 out of 2 patents)

6. Yao Sun (2 out of 2 patents)

7. Di Wu (2 out of 2 patents)

8. Hengjun Zong (2 out of 2 patents)

9. Lishun Tong (2 out of 5 patents)

10. Lei Gao (1 out of 42 patents)

11. Qiang Wang (1 out of 5 patents)

12. Chun He (1 out of 20 patents)

13. Dongshan Yu (1 out of 1 patent)

14. Yangtao Jia (1 out of 1 patent)

15. Linbo Zhang (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 12431979 - Wavelength division multiplexing device having wavelength division multiplexing filter (2025-09-30),

2. 12292580 - Optical module and medical laser device (2025-05-06),

3. 12292568 - Light spot scanning device, scanning method thereof, and medical cosmetology device (2025-05-06),

4. 12256988 - Semiconductor laser module and method for application in noninvasive medical treatment (2025-03-25),

5. 12132292 - Laser device (2024-10-29),

6. 10826266 - Refrigeration structure of semiconductor laser, and semiconductor laser and stack thereof (2020-11-03),

7. 9510908 - Semiconductor laser system for laser medical cosmetology (2016-12-06),

8. 9510907 - Bilateral cooling type semiconductor laser system for medical beauty use (2016-12-06),

Company Overview

Focuslight Technologies Inc. is a leading provider of advanced photonic solutions with a focus on high-performance laser products for industrial, medical, and scientific applications. The company specializes in developing laser diodes, laser modules, and optoelectronic components, aiming to enhance efficiency and innovation in various sectors. Focuslight's commitment to quality and customer satisfaction has made it a trusted partner for businesses looking to leverage cutting-edge photonic technology to drive progress and growth. Through continuous research and development, Focuslight is dedicated to delivering customized solutions that meet the unique demands of its customers while advancing the state of photonics.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#19 in Xi'an

#3,471 in China

Xi'an, China

Focuslight Technologies Inc.

Forward Citations = 2

25 inventors:

Xingsheng Liu (6 out of 10 patents)

Lei Cai (4 out of 4 patents)

Kai Yang (2 out of 3 patents)

4. Xuejie Liang (2 out of 2 patents)

5. Ye Dai (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Focuslight Technologies Inc.. Retrieved from https://idiyas.com/company/focuslight-technologies

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

2 patents (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]